伺服

System bandwidth is one of the most important judging criteria for the performances of the electrohydraulic position servo system.

电液位置伺服系统中，频带宽度是反映系统性能的主要评定依据之一。提高系统的频带宽度，可以加快系统的响应速度和提高动态跟随精度。

This paper develops a direct-drive electrohydraulic servo valve of a completely new structure.

研制了一种全新结构的直接驱动电液伺服阀。

For the electrohydraulic position servo systems without high precision requirement, this method is feasible.

在对系统精度无太高要求而仅要求宽频带的电液位置伺服系统，这是一种可行的方法。

Importance and application of electrohydraulic control system in gage and shape control of plate are summarized.

通过大量的实验研究，考察了电液压力、位置控制系统中伺服阀与油缸之间不同连接管路对系统的影响。

They provide satisfactory conclusions and may be extended for use in other electrohydraulic proportional or servo control systems.

这四种模拟控制器可以推广应用于其它电液比例或电液伺服系统。

A large number of experiments are done on the single channel electrohydraulic position servo equipment in the thesis.

本文设计制作了飞行模拟器单通道电液位置伺服系统的全部硬件接口电路，编制了控制程序，改造了部分实验台。

Numerical control technology to go on technology that control with digital information to mechanical movement and working course, numerical control equipment whether represented by technology of numerical control new technology make industry and new developing infiltration electromechanics integrated product that form of manufacturing industry to tradition, i.e.

数控技术是用数字信息对机械运动和工作过程进行控制的技术，数控装备是以数控技术为代表的新技术对传统制造产业和新兴制造业的渗透形成的机电一体化产品，即所谓的数字化装备，其技术范围覆盖很多领域：(1)机械制造技术；(2)信息处理、加工、传输技术；(3)自动控制技术；(4)伺服驱动技术；(5)传感器技术；(6)软件技术等。

Based on AC servomotors, NC Heavy Duty Mechanical Driving is a combination of new and high technology (information technology, auto control, modern electrotechnics, new material, etc.) and traditional mechanical technology.

基于交流伺服电机的数字化重载机械驱动技术，是高新技术(信息技术、自动控制、现代电工、新材料等)与传统的机械技术的结合。

We need to add the controller in order to enhance the control precision and response speed of DVD focus servo system, and then a new emendation arithmetic was put forward.

为了提高DVD聚焦伺服系统的控制精度和响应速度需要加入控制器，提出了一种新的校正算法。

The work piece revolve with stalk to enter give, work piece of spiral sport, revolve of emery wheel, the enter of emery wheel give etc.

工件的旋转与轴向进给，工件的螺旋运动，砂轮架的旋转，砂轮的进给等关联运动能在伺服系统的控制下作插补运动实现。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。